<template>
  <div class="auth-page">
  <div class="container page">
    <div class="row">

      <div class="col-md-6 offset-md-3 col-xs-12">
        <h1 class="text-xs-center">{{ isLogin ? 'Sign in' : 'Sign up' }}</h1>
        <p class="text-xs-center">
          <!-- <a href="">Have an account?</a> -->
          <nuxt-link v-if="isLogin" to="/register">Need an account?</nuxt-link>
          <nuxt-link v-else to="/login">Need an account?</nuxt-link>
        </p>

        <ul class="error-messages">
          <template v-for="(messages, field) in errors">
            <li v-for="(message, index) in messages" :key="index">
              {{field}} {{message}}
            </li>
          </template>
        </ul>

        <form @submit.prevent="onSubmit">
          <fieldset v-if="!isLogin" class="form-group">
            <input 
            required
            v-model="user.username"
            class="form-control form-control-lg" type="text" placeholder="Your Name">
          </fieldset>
          <fieldset class="form-group" required>
            <input
             required
             v-model="user.email"
             class="form-control form-control-lg" type="text" placeholder="Email">
          </fieldset>
          <fieldset class="form-group" required>
            <input
             v-model="user.password"
             required
             minlength="8"
             class="form-control form-control-lg" type="password" placeholder="Password">
          </fieldset>
          <button class="btn btn-lg btn-primary pull-xs-right">
            {{ isLogin ? 'Sign in' : 'Sign up' }}
          </button>
        </form>
      </div>

    </div>
  </div>
</div>
</template>

<script>
import { login, register } from '@/api/user'
// 仅在客户端加载
const Cookie = process.client ? require('js-cookie') : undefined
export default {
    middleware: 'notAuthenticated',
    name: 'loginIndex',
    computed: {
        isLogin() {
            return this.$route.path === '/login'
        }
    },
    data () {
      return {
        user: {
          username: '',
          email: '',
          password: ''
        },
        errors: {}
      }
    },
    methods: {
      async onSubmit() {
        try {
          const { data } = this.isLogin ? 
          await login({
            user: this.user
          }) : await register({
            user: this.user
          })
          // 保存用户登录状态
          this.$store.commit('setUser', data.user)
          // 持久化处理
          Cookie.set('user', data.user)
          this.$router.push('/')
        } catch (error) {
          console.dir(error)
          this.errors = error.response.data.errors
        }
        
      }
    }
}
</script>

<style>

</style>